电源被()时,由于电路电阻极小,因而电流会立即上升到很大值,使电路产生高热,从而使电源、各种电器、仪表等设备损坏。
A、短路
B、断路
C、电导
D、使用电阻时
参考答案:A
Information theory is related to the quantification of information. This was developed by Claude E. Shannon to who found fundamental limits on ( ) operations such as compressing data and on reliably storing and communicating data.
A. signal
B. data
C. information
D. signal processing
返矿对烧结生产()。
A.有利有害
B.有害无利
C.有利无害